1 | |
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2 | // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION |
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3 | |
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4 | #if !defined(BOOST_PP_IS_ITERATING) |
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5 | |
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6 | ///// header body |
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7 | |
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8 | // Copyright Aleksey Gurtovoy 2000-2008 |
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9 | // |
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10 | // Distributed under the Boost Software License, Version 1.0. |
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11 | // (See accompanying file LICENSE_1_0.txt or copy at |
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12 | // http://www.boost.org/LICENSE_1_0.txt) |
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13 | // |
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14 | // See http://www.boost.org/libs/mpl for documentation. |
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15 | |
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16 | // $Id: sequence_wrapper.hpp 49271 2008-10-11 06:46:00Z agurtovoy $ |
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17 | // $Date: 2008-10-11 02:46:00 -0400 (Sat, 11 Oct 2008) $ |
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18 | // $Revision: 49271 $ |
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19 | |
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20 | # include <boost/mpl/aux_/config/ctps.hpp> |
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21 | # include <boost/mpl/aux_/config/static_constant.hpp> |
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22 | # include <boost/mpl/aux_/nttp_decl.hpp> |
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23 | |
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24 | # include <boost/preprocessor/arithmetic/sub.hpp> |
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25 | # include <boost/preprocessor/tuple/elem.hpp> |
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26 | # include <boost/preprocessor/enum_params_with_a_default.hpp> |
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27 | # include <boost/preprocessor/enum_params.hpp> |
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28 | # include <boost/preprocessor/enum.hpp> |
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29 | # include <boost/preprocessor/repeat.hpp> |
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30 | # include <boost/preprocessor/comma_if.hpp> |
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31 | # include <boost/preprocessor/iterate.hpp> |
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32 | |
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33 | #if defined(BOOST_MPL_PREPROCESSING_MODE) |
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34 | # undef LONG_MAX |
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35 | #endif |
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36 | |
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37 | namespace boost { namespace mpl { |
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38 | |
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39 | #if !defined(AUX778076_SEQUENCE_BASE_NAME) |
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40 | # define AUX778076_SEQUENCE_BASE_NAME AUX778076_SEQUENCE_NAME |
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41 | #endif |
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42 | |
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43 | #if !defined(AUX778076_SEQUENCE_INTEGRAL_WRAPPER) |
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44 | |
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45 | # define AUX778076_SEQUENCE_PARAM_NAME T |
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46 | # define AUX778076_SEQUENCE_TEMPLATE_PARAM typename T |
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47 | # define AUX778076_SEQUENCE_DEFAULT na |
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48 | |
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49 | # define AUX778076_SEQUENCE_NAME_N(n) \ |
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50 | BOOST_PP_CAT(AUX778076_SEQUENCE_BASE_NAME,n) \ |
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51 | /**/ |
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52 | |
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53 | # define AUX778076_SEQUENCE_PARAMS() \ |
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54 | BOOST_PP_ENUM_PARAMS( \ |
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55 | AUX778076_SEQUENCE_LIMIT \ |
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56 | , AUX778076_SEQUENCE_TEMPLATE_PARAM \ |
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57 | ) \ |
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58 | /**/ |
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59 | |
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60 | # define AUX778076_SEQUENCE_ARGS() \ |
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61 | BOOST_PP_ENUM_PARAMS( \ |
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62 | AUX778076_SEQUENCE_LIMIT \ |
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63 | , T \ |
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64 | ) \ |
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65 | /**/ |
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66 | |
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67 | # define AUX778076_SEQUENCE_DEFAULT_PARAMS() \ |
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68 | BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT( \ |
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69 | AUX778076_SEQUENCE_LIMIT \ |
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70 | , AUX778076_SEQUENCE_TEMPLATE_PARAM \ |
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71 | , AUX778076_SEQUENCE_DEFAULT \ |
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72 | ) \ |
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73 | /**/ |
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74 | |
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75 | # define AUX778076_SEQUENCE_N_PARAMS(n) \ |
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76 | BOOST_PP_ENUM_PARAMS(n, AUX778076_SEQUENCE_TEMPLATE_PARAM) \ |
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77 | /**/ |
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78 | |
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79 | # define AUX778076_SEQUENCE_N_ARGS(n) \ |
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80 | BOOST_PP_ENUM_PARAMS(n, T) \ |
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81 | /**/ |
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82 | |
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83 | # define AUX778076_SEQUENCE_N_PARTIAL_SPEC_ARGS(n) \ |
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84 | BOOST_PP_ENUM_PARAMS(n, T) \ |
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85 | BOOST_PP_COMMA_IF(n) \ |
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86 | BOOST_PP_ENUM( \ |
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87 | BOOST_PP_SUB_D(1,AUX778076_SEQUENCE_LIMIT,n) \ |
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88 | , BOOST_PP_TUPLE_ELEM_3_2 \ |
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89 | , AUX778076_SEQUENCE_DEFAULT \ |
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90 | ) \ |
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91 | /**/ |
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92 | |
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93 | #else // AUX778076_SEQUENCE_INTEGRAL_WRAPPER |
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94 | |
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95 | # define AUX778076_SEQUENCE_PARAM_NAME C |
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96 | # define AUX778076_SEQUENCE_TEMPLATE_PARAM BOOST_MPL_AUX_NTTP_DECL(long, C) |
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97 | # define AUX778076_SEQUENCE_DEFAULT LONG_MAX |
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98 | |
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99 | # define AUX778076_SEQUENCE_PARAMS() \ |
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100 | typename T, BOOST_PP_ENUM_PARAMS( \ |
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101 | AUX778076_SEQUENCE_LIMIT \ |
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102 | , AUX778076_SEQUENCE_TEMPLATE_PARAM \ |
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103 | ) \ |
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104 | /**/ |
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105 | |
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106 | # define AUX778076_SEQUENCE_ARGS() \ |
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107 | T, BOOST_PP_ENUM_PARAMS( \ |
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108 | AUX778076_SEQUENCE_LIMIT \ |
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109 | , C \ |
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110 | ) \ |
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111 | /**/ |
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112 | |
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113 | # define AUX778076_SEQUENCE_DEFAULT_PARAMS() \ |
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114 | typename T, \ |
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115 | BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT( \ |
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116 | AUX778076_SEQUENCE_LIMIT \ |
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117 | , AUX778076_SEQUENCE_TEMPLATE_PARAM \ |
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118 | , AUX778076_SEQUENCE_DEFAULT \ |
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119 | ) \ |
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120 | /**/ |
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121 | |
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122 | # define AUX778076_SEQUENCE_N_PARAMS(n) \ |
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123 | typename T BOOST_PP_COMMA_IF(n) \ |
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124 | BOOST_PP_ENUM_PARAMS(n, AUX778076_SEQUENCE_TEMPLATE_PARAM) \ |
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125 | /**/ |
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126 | |
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127 | # if !defined(AUX778076_SEQUENCE_CONVERT_CN_TO) |
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128 | # define AUX778076_SEQUENCE_CONVERT_CN_TO(z,n,TARGET) BOOST_PP_CAT(C,n) |
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129 | # endif |
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130 | |
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131 | # define AUX778076_SEQUENCE_N_ARGS(n) \ |
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132 | T BOOST_PP_COMMA_IF(n) \ |
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133 | BOOST_PP_ENUM(n,AUX778076_SEQUENCE_CONVERT_CN_TO,T) \ |
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134 | /**/ |
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135 | |
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136 | # define AUX778076_SEQUENCE_N_PARTIAL_SPEC_ARGS(n) \ |
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137 | T, BOOST_PP_ENUM_PARAMS(n, C) \ |
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138 | BOOST_PP_COMMA_IF(n) \ |
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139 | BOOST_PP_ENUM( \ |
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140 | BOOST_PP_SUB_D(1,AUX778076_SEQUENCE_LIMIT,n) \ |
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141 | , BOOST_PP_TUPLE_ELEM_3_2 \ |
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142 | , AUX778076_SEQUENCE_DEFAULT \ |
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143 | ) \ |
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144 | /**/ |
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145 | |
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146 | #endif // AUX778076_SEQUENCE_INTEGRAL_WRAPPER |
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147 | |
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148 | |
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149 | #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
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150 | // forward declaration |
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151 | template< |
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152 | AUX778076_SEQUENCE_DEFAULT_PARAMS() |
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153 | > |
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154 | struct AUX778076_SEQUENCE_NAME; |
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155 | #else |
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156 | namespace aux { |
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157 | template< BOOST_MPL_AUX_NTTP_DECL(int, N) > |
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158 | struct BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_chooser); |
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159 | } |
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160 | #endif |
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161 | |
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162 | #define BOOST_PP_ITERATION_PARAMS_1 \ |
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163 | (3,(0, AUX778076_SEQUENCE_LIMIT, <boost/mpl/aux_/sequence_wrapper.hpp>)) |
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164 | #include BOOST_PP_ITERATE() |
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165 | |
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166 | // real C++ version is already taken care of |
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167 | #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
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168 | |
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169 | namespace aux { |
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170 | // ???_count_args |
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171 | #define AUX778076_COUNT_ARGS_PREFIX AUX778076_SEQUENCE_NAME |
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172 | #define AUX778076_COUNT_ARGS_DEFAULT AUX778076_SEQUENCE_DEFAULT |
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173 | #define AUX778076_COUNT_ARGS_PARAM_NAME AUX778076_SEQUENCE_PARAM_NAME |
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174 | #define AUX778076_COUNT_ARGS_TEMPLATE_PARAM AUX778076_SEQUENCE_TEMPLATE_PARAM |
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175 | #define AUX778076_COUNT_ARGS_ARITY AUX778076_SEQUENCE_LIMIT |
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176 | #define AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES |
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177 | #include <boost/mpl/aux_/count_args.hpp> |
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178 | |
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179 | template< |
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180 | AUX778076_SEQUENCE_PARAMS() |
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181 | > |
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182 | struct BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_impl) |
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183 | { |
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184 | typedef aux::BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_count_args)< |
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185 | BOOST_PP_ENUM_PARAMS(AUX778076_SEQUENCE_LIMIT, AUX778076_SEQUENCE_PARAM_NAME) |
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186 | > arg_num_; |
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187 | |
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188 | typedef typename aux::BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_chooser)< arg_num_::value > |
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189 | ::template result_< AUX778076_SEQUENCE_ARGS() >::type type; |
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190 | }; |
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191 | |
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192 | } // namespace aux |
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193 | |
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194 | template< |
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195 | AUX778076_SEQUENCE_DEFAULT_PARAMS() |
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196 | > |
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197 | struct AUX778076_SEQUENCE_NAME |
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198 | : aux::BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_impl)< |
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199 | AUX778076_SEQUENCE_ARGS() |
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200 | >::type |
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201 | { |
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202 | typedef typename aux::BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_impl)< |
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203 | AUX778076_SEQUENCE_ARGS() |
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204 | >::type type; |
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205 | }; |
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206 | |
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207 | #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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208 | |
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209 | # undef AUX778076_SEQUENCE_N_PARTIAL_SPEC_ARGS |
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210 | # undef AUX778076_SEQUENCE_N_ARGS |
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211 | # undef AUX778076_SEQUENCE_CONVERT_CN_TO |
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212 | # undef AUX778076_SEQUENCE_N_PARAMS |
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213 | # undef AUX778076_SEQUENCE_DEFAULT_PARAMS |
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214 | # undef AUX778076_SEQUENCE_ARGS |
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215 | # undef AUX778076_SEQUENCE_PARAMS |
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216 | # undef AUX778076_SEQUENCE_NAME_N |
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217 | # undef AUX778076_SEQUENCE_DEFAULT |
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218 | # undef AUX778076_SEQUENCE_TEMPLATE_PARAM |
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219 | # undef AUX778076_SEQUENCE_PARAM_NAME |
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220 | # undef AUX778076_SEQUENCE_LIMIT |
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221 | # undef AUX778076_SEQUENCE_BASE_NAME |
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222 | # undef AUX778076_SEQUENCE_NAME |
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223 | # undef AUX778076_SEQUENCE_INTEGRAL_WRAPPER |
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224 | |
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225 | }} |
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226 | |
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227 | ///// iteration |
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228 | |
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229 | #else |
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230 | #define i_ BOOST_PP_FRAME_ITERATION(1) |
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231 | |
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232 | # if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
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233 | |
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234 | #if i_ == AUX778076_SEQUENCE_LIMIT |
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235 | |
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236 | /// primary template (not a specialization!) |
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237 | template< |
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238 | AUX778076_SEQUENCE_N_PARAMS(i_) |
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239 | > |
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240 | struct AUX778076_SEQUENCE_NAME |
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241 | : AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) > |
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242 | { |
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243 | typedef typename AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) >::type type; |
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244 | }; |
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245 | |
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246 | #else |
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247 | |
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248 | template< |
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249 | AUX778076_SEQUENCE_N_PARAMS(i_) |
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250 | > |
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251 | struct AUX778076_SEQUENCE_NAME< AUX778076_SEQUENCE_N_PARTIAL_SPEC_ARGS(i_) > |
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252 | : AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) > |
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253 | { |
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254 | #if i_ > 0 || defined(AUX778076_SEQUENCE_INTEGRAL_WRAPPER) |
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255 | typedef typename AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) >::type type; |
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256 | #else |
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257 | typedef AUX778076_SEQUENCE_NAME_N(i_)< AUX778076_SEQUENCE_N_ARGS(i_) >::type type; |
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258 | #endif |
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259 | }; |
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260 | |
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261 | #endif // i_ == AUX778076_SEQUENCE_LIMIT |
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262 | |
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263 | # else |
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264 | |
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265 | namespace aux { |
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266 | |
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267 | template<> |
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268 | struct BOOST_PP_CAT(AUX778076_SEQUENCE_NAME,_chooser)<i_> |
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269 | { |
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270 | template< |
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271 | AUX778076_SEQUENCE_PARAMS() |
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272 | > |
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273 | struct result_ |
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274 | { |
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275 | #if i_ > 0 || defined(AUX778076_SEQUENCE_INTEGRAL_WRAPPER) |
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276 | typedef typename AUX778076_SEQUENCE_NAME_N(i_)< |
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277 | AUX778076_SEQUENCE_N_ARGS(i_) |
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278 | >::type type; |
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279 | #else |
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280 | typedef AUX778076_SEQUENCE_NAME_N(i_)< |
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281 | AUX778076_SEQUENCE_N_ARGS(i_) |
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282 | >::type type; |
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283 | #endif |
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284 | }; |
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285 | }; |
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286 | |
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287 | } // namespace aux |
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288 | |
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289 | # endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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290 | |
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291 | #undef i_ |
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292 | #endif // BOOST_PP_IS_ITERATING |
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